Electronic musical instrument having filter-and-delay loop for t

Details Electronic musical instrument having filter-and-delay loop for t Electronic musical instrument having filter-and-delay loop for t

1976-10-13

1978-12-19

Schaefer, Robert K.

Music

Instruments

84 113, 84 119, 84 126, 84DIG10, G10F 100

Patent

active

041300432

ABSTRACT:
An electronic musical instrument comprises a waveshape memory delivering out digital value samples of one cycle of a certain waveshape, and a loop circuit including a filter and a shift register. The digital waveshape values read out from the waveshape memory is caused to circulate at a predetermined rate of time in the loop circuit. A waveshape taken out from the loop circuit varies as time lapses, and is utilized as a musical tone.

REFERENCES:
patent: 3515792 (1970-06-01), Deutsch
patent: 3699233 (1972-10-01), Suzuki

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